* {
    margin: 0;
    padding: 0;

}

.a {
    text-decoration: none;
    color: #fff;
}

/* 头部区域 */
.top {
    display: flex;
    width: 100%;
    height: 80px;

}

/* logo模块 */
.mooc {

    display: flex;
    text-align: center;
    width: 434px;
    height: 64px;
    margin: 0 0 0 116px;
}

.mooc img {

    display: block;
    margin-top: 20px;
    width: 50%;
    height: 50%;
}

/* 导航栏模块开始 */
.nav {
    display: flex;
    width: 450px;
    height: 80px;

    margin-right: 96px;

}

.nav ul {
    display: flex;
}

.li {
    list-style-type: none;
}

.select {

    border: none;
    line-height: 80px;
    font-size: 16px;
    height: 80px;
    color: #6b605e;
}

.li a:hover {
    color: #00cc7e;
}



.nava {
    display: flex;

    margin-left: 40px;
    text-decoration: none;
    color: #6b605e;
    font-size: 16px;
    line-height: 80px;
}

/* 导航栏模块结束 */

/* search模块开始 */
.search {
    display: flex;
    margin-top: 20px;
    margin-right: 62px;
    width: 320px;
    height: 40px;
    border: 1px solid #00cc7e;
    border-radius: 15px;
}

.search input {
    display: flex;

    width: 250px;
    height: 40px;
    border: none;
    border-top-left-radius: 15px;
    border-bottom-left-radius: 15px;
    padding-left: 28px;
    font-size: 18px;
    color: #b8b8b8;
}

.search button {
    display: flex;
    display: block;
    text-align: center;
    width: 70px;
    height: 40px;
    background-color: #00cc7e;
    border: none;
    border-radius: 15px;

}

/* search模块结束 */

/* 登录模块开始 */
.login {
    height: 80px;
    line-height: 80px;
    font-size: 18px;


}

.login a {
    color: #000;
    text-decoration: none;
}

.login a:hover {
    color: #00cc7e;
}

/* 登录模块结束 */


.middle {
    display: flex;
    width: 100%;
    height: 8630px;
    background-color: #f7f7f7;

}




.content {

    /* width: 1828px; */
    width: 1500px;
    height: 8630px;
    margin-left: 175px;
    background-color: #f5f5f5;
}

/* 第一个开始 */


.one {
    display: flex;
    width: 1500px;
    height: 465px;
    background-color: #f5f5f5;
    margin-top: 10px;
}

.country {
    display: flex;
    width: 250px;
    height: 450px;

    margin-right: 15px;

    background-color: #fff;
    border-radius: 8px;
}


.country ul a:hover {
    background-color: #e5f9ee;
    text-decoration: underline;
    color: #00cc7e;
}

.good {
    display: block;
    text-decoration: none;
    margin-top: 30px;
    margin-left: 10px;
    font-size: 15px;
    color: #2c2929;
}



.li2 {
    list-style: none;

}

.li2 a:hover {
    text-decoration: underline;
    color: #00cc7e;

}

.subject {
    display: flex;
}

.computer {

    text-decoration: none;
    display: flex;
    display: block;
    margin: 10px 10px;
    font-size: 15px;
    color: #525252;
}

.digital {

    text-decoration: none;
    display: flex;
    display: block;
    margin: 12.5px 0;
    font-size: 15px;
    font-size: 10px;
    color: #c4c2c3;
}

.more {
    display: block;
    margin-left: 10px;
    margin-top: 10px;
    border: none;
    font-size: 15px;
}

.test {
    position: relative;
    display: flex;
    width: 970px;
    height: 450px;

    margin-right: 15px;

    background-color: #fff;
    border-radius: 8px;
}

.test img {
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

.prev,
.next {
    position: absolute;
    top: 50%;
    margin-top: -25px;
    width: 50px;
    height: 50px;
    background-color: rgba(104, 103, 103, 0.3);
    text-align: center;
    line-height: 45px;
    color: #fff;
    text-decoration: none;
    font-size: 40px;
}


.test a:hover {
    background-color: rgba(92, 91, 91, 0.5);
}

.prev {
    left: 20px;
    border-radius: 25px;
}

.next {
    right: 20px;
    border-radius: 25px;
}

.test-nav {
    position: absolute;
    bottom: 15px;
    left: 30%;
    margin-left: -35px;
    width: 500px;
    height: 10px;
    background-color: none;
}

.test-nav span {
    float: left;

    background-color: rgba(234, 216, 205, 0.4);
    width: 60px;
    height: 10px;
    border-radius: 5px;
    margin: 0 15px 0 0;
}

.test-nav .selected {
    background-color: #fff;
}

.user {

    width: 190px;
    height: 390px;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
}



.usero {

    width: 190px;
    height: 40px;
    margin-bottom: 65px;
    font-style: 18px;
    text-align: center;
}

.usert {

    width: 190px;
    height: 90px;
    text-align: center;
    margin-bottom: 30px;
}

.usertr {
    position: relative;
    padding-top: 7px;

    background-color: #00cc7e;
    font-size: 18px;
    border-radius: 20px;
    text-align: center;
    width: 190px;
    height: 30px;
}

.mask {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(82, 80, 80, 0.3);
    border-radius: 20px;

}

.usertr:hover .mask {
    display: block;
}

.usertr a {
    color: #f5f5f5;
    text-decoration: none;
}

.userf {
    text-align: center;
    color: #949393;
    margin-top: 107px;
    width: 190px;
    height: 13px;
    font-size: 13px;
}

/* 第一模块结束 */

/* 学校模块开始 */
.school {
    display: flex;
    width: 1500px;
    height: 75px;
    background-color: #fff;
    border-radius: 8px;
    margin-bottom: 70px;
}

.all {
    width: 238px;
    height: 75px;
    font-size: 18px;
    border-radius: 8px;
    line-height: 75px;
    margin-left: 25px;
    text-align: center;
}

.all a {
    text-decoration: none;

}

.allo {
    color: #000;
}

.allt {
    color: #dedede;
}

.beijing {
    display: flex;
    width: 210px;
    height: 75px;
    margin: 18px 43px 0 0;
    text-align: center;
}

.beijing img {
    width: 100%;
    height: 65%;
}

.live {
    width: 1500px;
    height: 40px;
    background-color: #f5f5f5;
}



.recentt {
    margin-right: 50px;
    line-height: 40px;
    font-size: 18px;
    height: 40px;

}

.recentt a {
    color: #565656;
    text-decoration: none;
}

.recentt a:hover {
    color: #00cc7e;
    border-bottom: 2px solid #00cc7e;
}

.recent {
    margin-right: 50px;
    line-height: 40px;
    font-size: 29px;
    color: #333333;
}

.t {
    display: flex;
    flex-flow: wrap row;
    width: 1530px;
    height: 310px;
    background-color: #f7f7f7;
    margin-top: 30px;

}

.t-a {
    text-decoration: none;
}

.t-a a:hover {
    box-shadow: 10px 10px 10px -4px rgba(0, 0, 0, .3) inset;
}


.tsmall {
    display: flex;
    position: relative;
    width: 305px;
    height: 95px;
    margin: 0 25px 20px 0;
    border-radius: 8px;
    background-color: #fff;

    padding: 0 25px;
    padding-top: 35px;
}

.tsmall a:hover {
    box-shadow: 10px 10px 10px -4px rgba(0, 0, 0, .3) inset;
}

.tsmall-img {
    float: left;
    width: 65px;
    height: 65px;
    border-radius: 32.5px;
    border: 1px solid #e8e9ec;
}

.tsmall-img img {
    width: 100%;
    height: 100%;
    border-radius: 32.5px;
}

.tsmall-font {
    width: 240px;
    height: 65px;
    background-color: #fff;
    text-align: center;

}

.tfone {
    display: block;
    margin-bottom: 15px;
    font-size: 18px;
    color: #000;
}

.tftwo {
    font-size: 13px;
    color: #999999;
}

.tsmall-top {
    position: absolute;
    left: 0;
    top: 0;
    width: 70px;
    height: 22px;
    border-radius: 8px 0 30px 0;
    font-size: 14px;
    color: #fff;
    padding-left: 14px;
    background-color: #afc0cc;
}

.right {
    position: fixed;
    bottom: 14px;
    right: 13px;
    width: 50px;
    height: 623px;
    background-color: rgba(245, 245, 245, .9);
    z-index: 99;
}

.first {
    width: 50px;
    height: 250px;
    background-color: rgb(96, 111, 179);
    border-radius: 10px;
}

.first img {
    width: 100%;
    height: 100%;
}

.second {

    margin: 10px auto;
    height: 83px;
    width: 18px;
    padding: 21px 16px;
    background-color: #00cc7e;
    border-radius: 10px;
    font-size: 17px;

}

.third {
    width: 50px;
    height: 228px;
    border-radius: 10px;
    border: 1px solid #bfbfbf;
    background-color: #fff;
}

/* 反馈开始 */
.feedback {
    width: 30px;
    height: 79px;

}

.feedback a:hover {
    background-color: #00cc7e;
}

.feedbacksmall {
    width: 40px;
    height: 77px;
    margin: 1px 5px;
    background-color: #fff;
    border-top: 2px solid #e6e6e6;
    text-align: center;
}

.feedback a {
    display: block;

    font-size: 15px;
    text-decoration: none;
    color: #747474;

}

.images {
    width: 80%;
    height: 100%;
}

/* 下载开始 */
.download {
    width: 30px;
    height: 66px;

}

.download a:hover {
    background-color: #00cc7e;
}

.downloadsmall {
    width: 40px;
    height: 77px;
    margin: 1px 5px;
    background-color: #fff;
    border-top: 2px solid #e6e6e6;
    text-align: center;
}


.download a {
    display: block;

    font-size: 15px;
    text-decoration: none;
    color: #747474;

}

.images {
    width: 80%;
    height: 100%;
}

/* 返回开始 */
.back {
    width: 30px;
    height: 79px;

}

.back a:hover {
    background-color: #00cc7e;
}

.backsmall {
    width: 40px;
    height: 77px;
    margin: 1px 5px;
    background-color: #fff;
    border-top: 2px solid #e6e6e6;
    text-align: center;
}

.back a {
    display: block;

    font-size: 15px;
    text-decoration: none;
    color: #747474;

}

.images {
    width: 80%;
    height: 100%;
}

.banner {
    float: left;
    width: 100%;
    height: 326px;
    background-color: #272727;
}